Urinary Tract Anatomy

Urinary Tract Anatomy

I. URINARY TRACT

Identify the following organs of the urinary tract in the cat and illustrate their structures and positions in the rear abdominal wall. Here is a diagram of the urinary tract.

See Gilbert: p. 54 – 55

01_R_kidney_P5134256
Right kidney, surrounded by adipose capsule of brown fat, covered by the peritoneum (it is a retroperitoneal organ).
Here is a labeled view of a rear abdominal wall.

02_L_kidney_P5134258

Left kidney, surrounded by fat, left renal artery drains it into the inferior vena cava. The left gonadal vein can be seen conecting to the left renal artery.

03_L_pelvis_artery_P5134259

Left kidney freed of fat and turned over to reveal the renal pelvis and the left renal artery. The hilus is the point at which the artery, vein and ureter attach to the kidney. Here is a labeled version of this image.

04_L_vessels_P5134261

Left kidney freed of fat, showing descending aorta, left renal artery, left renal vein, left gonadal vein and the left ureter.

05_overview_P5134268

Overview of the left urinary system including the kidney, the renal vein, theleft gonadal vein, the R and L ureters and the bladder.
Here is a labeled version of this image.

06_ureters_bladder_P5134267

Close up of the bladder with the R and L ureters, and the R and L vas deferens looping over the ureters.

07_urethra_P5134263

Pull the bladder towards the head, clear away the fat, and find the urethra. The urinary trigone is the triangle formed by the two ureters and the urethra.

08_kidney_section_P5134264

Cut the kidney mid sagittally and note.
Here is a labeled view of the kidney cross section.

Other Pictures:

 

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